From eee12802806584d9d501cd525dcd8fef561e6c6c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 20 Dec 2023 11:17:58 +0100
Subject: Applying patch from Helmut Grohne <helmut@subdivi.de> to duplicate
 diversion via DEP17 M18 (Closes: #1055511).

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 debian/progress-linux-container.postrm  |  6 ++---
 debian/progress-linux-container.preinst | 42 ++++++++++++++++++++-------------
 2 files changed, 29 insertions(+), 19 deletions(-)

(limited to 'debian')

diff --git a/debian/progress-linux-container.postrm b/debian/progress-linux-container.postrm
index 28fccd2..f992a6c 100755
--- a/debian/progress-linux-container.postrm
+++ b/debian/progress-linux-container.postrm
@@ -6,12 +6,12 @@ case "${1}" in
 	remove)
 		for FILE in halt poweroff reboot shutdown coldreboot
 		do
-			dpkg-divert --package progress-linux-container --quiet --remove --rename --divert /lib/container/divert/${FILE}.orig /sbin/${FILE}
+			dpkg-divert --package progress-linux-container --quiet --remove --rename --divert "/lib/container/divert/$FILE.orig.usr-is-merged" "/sbin/$FILE"
 		done
 
-		for FILE in pm-hibernate pm-suspend pm-suspend-hybrid
+		for FILE in halt poweroff reboot shutdown coldreboot pm-hibernate pm-suspend pm-suspend-hybrid
 		do
-			dpkg-divert --package progress-linux-container --quiet --remove --rename --divert /lib/container/divert/${FILE}.orig /usr/sbin/${FILE}
+			dpkg-divert --package progress-linux-container --quiet --remove --rename --divert "/usr/lib/container/divert/$FILE.orig" "/usr/sbin/$FILE"
 		done
 		;;
 
diff --git a/debian/progress-linux-container.preinst b/debian/progress-linux-container.preinst
index ed41ccc..499595b 100755
--- a/debian/progress-linux-container.preinst
+++ b/debian/progress-linux-container.preinst
@@ -4,30 +4,40 @@ set -e
 
 case "${1}" in
 	install|upgrade)
-		# upgrade from bullseye
-		if ls /lib/open-infrastructure/container/divert/*.orig > /dev/null 2>&1
-		then
-			for FILE in halt poweroff reboot shutdown coldreboot
-			do
-				dpkg-divert --package progress-linux-container --quiet --remove --rename --divert /lib/open-infrastructure/container/divert/${FILE}.orig /sbin/${FILE}
-			done
-
-			for FILE in pm-hibernate pm-suspend pm-suspend-hybrid
-			do
-				dpkg-divert --package progress-linux-container --quiet --remove --rename --divert /lib/open-infrastructure/container/divert/${FILE}.orig /usr/sbin/${FILE}
-			done
-		fi
-
 		mkdir -p /lib/container/divert
 
 		for FILE in halt poweroff reboot shutdown coldreboot
 		do
-			dpkg-divert --package progress-linux-container --quiet --add --rename --divert /lib/container/divert/${FILE}.orig /sbin/${FILE}
+			TRUENAMEUSR=$(dpkg-divert --truename "/usr/sbin/$FILE")
+			TRUENAMEALIAS=$(dpkg-divert --truename "/sbin/$FILE")
+			RENAME_FLAG=--no-rename
+			if test "$TRUENAMEUSR" = "/usr/sbin/$FILE"; then
+				if test "$TRUENAMEALIAS" = "/sbin/$FILE"; then
+					RENAME_FLAG=--rename
+				fi
+				dpkg-divert --package progress-linux-container --quiet --add "$RENAME_FLAG" --divert "/usr/lib/container/divert/$FILE.orig" "/usr/sbin/$FILE"
+			fi
+			# DEP17 M18 duplicated diversion. Can be removed after trixie.
+			if test "$TRUENAMEALIAS" = "/sbin/$FILE"; then
+				dpkg-divert --package progress-linux-container --quiet --add "$RENAME_FLAG" --divert "/lib/container/divert/$FILE.orig.usr-is-merged" "/sbin/$FILE"
+			elif test "$TRUENAMEALIAS" != "/lib/container/divert/$FILE.orig.usr-is-merged"; then
+				dpkg-divert --package progress-linux-container --quiet --remove --no-rename "/sbin/$FILE"
+				dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/lib/container/divert/$FILE.orig.usr-is-merged" "/sbin/$FILE"
+				if test -e "$TRUENAMEALIAS" || test -h "$TRUENAMEALIAS"; then
+					mv "$TRUENAMEALIAS" "/lib/container/divert/$FILE.orig.usr-is-merged"
+				fi
+			fi
 		done
 
 		for FILE in pm-hibernate pm-suspend pm-suspend-hybrid
 		do
-			dpkg-divert --package progress-linux-container --quiet --add --rename --divert /lib/container/divert/${FILE}.orig /usr/sbin/${FILE}
+			TRUENAMEUSR=$(dpkg-divert --truename "/usr/sbin/$FILE")
+			if test "$TRUENAMEUSR" = "/lib/container/divert/$FILE.orig"; then
+				dpkg-divert --package progress-linux-container --quiet --remove --no-rename "/usr/sbin/$FILE"
+				dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/usr/lib/container/divert/$FILE.orig" "/usr/sbin/$FILE"
+			else
+				dpkg-divert --package progress-linux-container --quiet --add --rename --divert "/usr/lib/container/divert/$FILE.orig" "/usr/sbin/$FILE"
+			fi
 		done
 		;;
 
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